ND &trade; Brand Dinsink: 4X4OZ refill ink kit for Lexmark 150XLA: Pro715 Pro915 S315 S415 S515...The item with syringe and detail refill instruction.The item with ND Logo! ND Brand refill ink for Lexmark 150XLA ink cartridge The item comes with detail refill instruction. You can refill ink for your original ink cartridge. It is a big saving. Highest UV resistant rating on market 4Bottles 4oz ink: Each color has 4oz ink. This ink quality is same as OEM ink